Here is a short video tutorial on how to add an image (eg logo, eyes, tattoo ..) to a texture in Blender. Hope it help to you ...

The primary focus here is nozzleboss, a blender plugin which enables the surface textures of already sliced objects to be manipulated.

If you're looking for a quick and easy project in Blender, or just need to create a 3D model from a 2D reference image, then we've got you covered!